EP 2472560 A4 20130220 - ELECTRODE FOR DISCHARGE LAMP, PROCESS FOR PRODUCTION OF ELECTRODE FOR DISCHARGE LAMP, AND DISCHARGE LAMP
Title (en)
ELECTRODE FOR DISCHARGE LAMP, PROCESS FOR PRODUCTION OF ELECTRODE FOR DISCHARGE LAMP, AND DISCHARGE LAMP
Title (de)
ELEKTRODE FÜR EINE ENTLADUNGSLAMPE, VERFAHREN ZUR HERSTELLUNG DER ELEKTRODE FÜR EINE ENTLADUNGSLAMPE UND ENTLADUNGSLAMPE
Title (fr)
ÉLECTRODE POUR LAMPE À DÉCHARGE, PROCÉDÉ DE FABRICATION D'ÉLECTRODE POUR LAMPE À DÉCHARGE, ET LAMPE À DÉCHARGE
Publication
Application
Priority
- JP 2009195394 A 20090826
- JP 2010064533 W 20100826
Abstract (en)
[origin: EP2472560A1] The present invention relates to an electrode for a discharge lamp, provided with a mayenite compound in at least a part of the electrode that emits secondary electrons, the mayenite compound is fired in a vacuum atmosphere with an oxygen partial pressure of 10 -3 Pa or less, an inert gas atmosphere with an oxygen partial pressure of 10 -3 Pa or less, or a reducing atmosphere with an oxygen partial pressure of 10 -3 Pa or less.
IPC 8 full level
H01J 61/06 (2006.01); H01J 9/02 (2006.01); H01J 61/067 (2006.01); H01J 61/78 (2006.01)
CPC (source: EP KR US)
H01J 9/02 (2013.01 - KR); H01J 9/022 (2013.01 - EP US); H01J 61/06 (2013.01 - KR); H01J 61/0677 (2013.01 - EP US); H01J 61/78 (2013.01 - EP US)
Citation (search report)
- [XI] EP 2056328 A1 20090506 - ASAHI GLASS CO LTD [JP]
- [X] WO 2009028242 A1 20090305 - ASAHI GLASS CO LTD [JP], et al
- [I] JP 2009059643 A 20090319 - PIONEER ELECTRONIC CORP
- [X] JP 2008047434 A 20080228 - ASAHI GLASS CO LTD
- [XP] WO 2010074092 A1 20100701 - ASAHI GLASS CO LTD [JP], et al
- See references of WO 2011024924A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
EP 2472560 A1 20120704; EP 2472560 A4 20130220; CN 102484032 A 20120530; JP WO2011024924 A1 20130131; KR 20120068841 A 20120627; US 2012169225 A1 20120705; WO 2011024924 A1 20110303
DOCDB simple family (application)
EP 10811973 A 20100826; CN 201080038016 A 20100826; JP 2010064533 W 20100826; JP 2011528852 A 20100826; KR 20127004827 A 20100826; US 201213405607 A 20120227